<template>
  <el-container>
    <el-aside width="200px">
      <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b">
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span>导航一</span>
        </template>
        <el-menu-item-group>
          <template slot="title">分组一</template>
          <el-menu-item index="1-1">选项1</el-menu-item>
          <el-menu-item index="1-2">选项2</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="分组2">
          <el-menu-item index="1-3">选项3</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <template slot="title">选项4</template>
          <el-menu-item index="1-4-1">选项1</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <span slot="title">导航二</span>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <i class="el-icon-document"></i>
        <span slot="title">导航三</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span slot="title">导航四</span>
      </el-menu-item>
    </el-menu>
    </el-aside>
    <el-container>
      <el-header>
        <strong>后台管理系统</strong>
        <div class="header-avatar">
          <el-avatar size="medium" src="https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png"></el-avatar>
          <el-dropdown>
            <span class="el-dropdown-link">
              admin<i class="el-icon-arrow-down el-icon--right"></i>
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item>个人中心</el-dropdown-item>
              <el-dropdown-item>退出</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
          <el-link href="https://markerhub.com" target="_blank">网站</el-link>
          <el-link href="https://space.bilibili.com/13491144" target="_blank">B站</el-link>
        </div>
      </el-header>
      <el-main>Main</el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  name: 'Home.vue',
  data () {
    return {}
  }
}
</script>
<style scoped>
.el-container {
  padding: 0;
  margin: 0;
  height: 100%;
}

.header-avatar {
  float: right;
  width: 210px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.el-header,
.el-footer {
  background-color: #b3c0d1;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #e9eef3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}

.el-dropdown-link {
    cursor: pointer;
  }
</style>
